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My blinkers don't work on my boat trailer. The headlights work, but not blinkers. Hooked trailer up to another vehicle, and they worked fine. Any suggestions?
Most likely it is the relay which is built into the turn switch. Turn switch will have to be replaced. It is also good idea to replace the flasher as well. Make sure both bulbs are new.
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check for signal ground,this is not a metal ground, use a test light or volt meter to see if they at plug before you plug in the trailer, you may need to rewire the trailer.
The trailer harness that was installed probably has a short inside the box that distributes power to the trailer pig-tail. Remove the trailer harness. You problem will be cured.
I take it the blinkers and brake lights work ok when not hooked up to the trailer? If yes, then the wiring to the tow hitch is not hooked up correctly. How many wires to trailer pig tail connection? U can have up to 7 depending on what you tow. Check to make sure these wires are hooked up from the truck to tow plug correctly: 7 wired--- brown-Rt turn and brake light, yellow-backup, white-ground, blue-electric brake, green-tail running lights, black-battery charger, red-left turn signal and brake light. Let me know if u have something other than 7 wire, I'll get the wiring color and source info for u.
There should be a 30 AMP mini blade fuse in the fuse box under the hood that you are probably missing. I assume that since you got the relays with the wiring kit, that you got the kit from a Nissan dealer. If that is true, there should be a fuse in the kit also- in a sealed bag that has the "trailer wiring harness owner's manual" in it.
Hope this is helpful!
Nissan Scope Technician- 10+ years experience in Nissan dealership.
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